Tebuconazole Takes Off
6 May 2009 Tebuconazole was launched in 1988 by Bayer CropScience as Folicur, a fungicide intended mainly for cereals. Bayer provided the fungicide to DuPont Crop Protection in 2005 for use in the US to control Asian soybean rust in soybeans, and Rotam North America announced the full registration of tebuconazole by the US Environmental Protection Agency in 2006. Tebuconazole is now used in more than 100 countries, including Argentina, Brazil, Canada, France, Germany, Italy, Japan, Poland, Russian Federation, South Korea, and UK. It’s registered for use on cereal, peanuts, oilseed rape, grapes, pome fruit, stone fruit, and for Sigatoka on bananas.
Tebuconazole has a good environmental profile, showing elimination at around 99% from animals after three days. In plant tissue, the fungicide shows a mean half-life of 12 days, while metabolites detected as terminal residue were mainly triazole-containing compounds of no toxicological relevance. Tebuconazole degrades fairly rapidly, according to studies, and in long-term field studies of three to five years shows it does not accumulate, indicating a low mobility in the soil with low possibility of groundwater contamination.
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